WordWeb Online

1. Driving or forcing
   "compelling ambition"
    
2. Tending to persuade by forcefulness of argument
   "new and compelling evidence"

1. Force somebody to do something
   "We compel all students to fill out this form";
   - oblige, obligate
    
2. Necessitate or exact
   "the water shortage compels conservation"

See also: persuasive, powerful

Type of: ask, call for, cause, demand, get, have, induce, involve, make, necessitate, need, postulate, require, stimulate, take

Encyclopedia: Compel